drm/i915: Fix sandybridge status page setup.

The register's moved to the same location as the one for the BCS, it seems.

Signed-off-by: Eric Anholt <eric@anholt.net>

3 files changed, 15 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 742bd8f738ca..b57efca02901 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -136,6 +136,12 @@ const static struct intel_device_info intel_ironlake_m_info = {
         .has_hotplug = 1,
 };
 
+const static struct intel_device_info intel_sandybridge_d_info = {
+        .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+        .has_pipe_cxsr = 1,
+        .has_hotplug = 1,
+};
+
 const static struct pci_device_id pciidlist[] = {
         INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
         INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
@@ -167,6 +173,7 @@ const static struct pci_device_id pciidlist[] = {
         INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
         INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
         INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
+        INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
         {0, 0, 0}
 };
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 715eaac62dbd..c73da4049c81 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4581,8 +4581,13 @@ i915_gem_init_hws(struct drm_device *dev)
         }
         dev_priv->hws_obj = obj;
         memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-        I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
-        I915_READ(HWS_PGA); /* posting read */
+        if (IS_GEN6(dev)) {
+                I915_WRITE(HWS_PGA_GEN6, dev_priv->status_gfx_addr);
+                I915_READ(HWS_PGA_GEN6); /* posting read */
+        } else {
+                I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+                I915_READ(HWS_PGA); /* posting read */
+        }
         DRM_DEBUG_DRIVER("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
 
         return 0;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1232229450e7..2a312b674a72 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -269,6 +269,7 @@
 #define INSTDONE1       0x0207c /* 965+ only */
 #define ACTHD_I965      0x02074
 #define HWS_PGA         0x02080
+#define HWS_PGA_GEN6    0x04080
 #define HWS_ADDRESS_MASK        0xfffff000
 #define HWS_START_ADDRESS_SHIFT 4
 #define PWRCTXA         0x2088 /* 965GM+ only */